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Japanese Earthquake Resistant Styrofoam Houses


On April 2016, Japan’s Kumamoto prefecture was hit by a magnitude 7.0 earthquake that killed 49 people and injured another 3,000. Over 44,000 people were evacuated from their homes, after they had collapsed or caught fire, with thousands of them still living in temporary housing.

Structural damage to conventional buildings was reported both in Kumamoto and the neighboring Oita prefecture, but one place that didn’t suffer any damage was Kyushu’s Village Zone, a housing complex made up of 480 closely-packed dome-shaped houses built by Japan Dome House.

Styrofoam Houses as earthquake-resistant buildings
The Japanese company Japan Dome House had been preaching about the resistance of its lightweight Styrofoam homes to earthquakes, for over a decade, but it was last year’s Kumamoto disaster that finally convinced people that it was more than just marketing. The ultra-lightweight Styrofoam pieces that are glued together to create a dome house only weight about 80 kg, which combined with its shape and the lack of a need for posts and beams just makes it very sturdy to strong earthquakes.

Constrution of Styrofoam houses

A dome house can be put together in just one week by a team of three people, using modular pieces, and the price is between ¥7 million and ¥8 million ($68,700 and $78,500) for a house with a floor space of about 36-sqm (387-sqft) and a ceiling height of 3 meters (9.8 feet). Since Styrofoam does not rot or rust and is not at risk of termite infestation, these dome houses are considered very durable..sqm (387-sqft) and a ceiling height of 3 meters (9.8 feet). Since Styrofoam does not rot or rust and is not at risk of termite infestation, these dome houses are considered very durable.sqm (387-sqft) and a ceiling height of 3 meters (9.8 feet). Since Styrofoam does not rot or rust and is not at risk of termite infestation, these dome houses are considered very durable.

interior of Styrofoam house

Another advantage of Styrofoam dome houses is that they are highly customizable, allowing owners to put their own unique touches on them. They can be used as permanent residences, guesthouses or even small hotels. Because they are easy and cheap to build, they can also be used as temporary housing in case of disasters.

Japan Dome house

Arial view of Styrofoam dome houses

Because of its dome shape, the lack of a need for posts and beams in construction, and its extremely light weight the dome house is highly earthquake-resistant.

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National polystyrene Packaging Factory offers a vivid range of polystyrene products. The NPPF polystyrene products are seen across an expanse of industries – from Building Constructions, Civil Engineering, Floatation, Thermal Insulation, Architectural Design, Packaging, and Horticulture.